/*
 * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */ 

package apresentacao;

import transferencia.CadeiaTO;
import javax.swing.ImageIcon;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;

/**
 *
 * @author lljotall
 */
public class JCadeia extends JTree {
    JCadeiaModel model;
    
    /**
     * Construtor de JCadeia usa construtor da superclasse
     */
    public JCadeia(){
        super();
    }
    /**
     * Utiliza sobrecarga de construtores
     * Esse construtor também usa o da superclasse
     * @param c 
     */
    public JCadeia(CadeiaTO c){
        super(new JCadeiaModel(c));
    }
    /**
     * Cria imagem com simbolo da UNICAMP.
     * @param path 
     */
    public void setNodeIcon(String path){
        ImageIcon icon = createImageIcon(path);
        if (icon != null) {
            DefaultTreeCellRenderer renderer = new DefaultTreeCellRenderer();
            renderer.setOpenIcon(icon);
            renderer.setClosedIcon(icon);
            renderer.setLeafIcon(icon);
            this.setCellRenderer(renderer);
        } else {
            //TODO Colocar mensagem no log
            System.err.println("Non-leaf icon missing; using default.");
        }
    }
    
    /**
     *  Returns a imagem com Símbolo da UNICAMP ou nulo se o caminho é invalido. 
     * @param path
     * @return ImageIcon
     */
    protected static ImageIcon createImageIcon(String path) {
        java.net.URL imgURL = JCadeia.class.getResource(path);
        if (imgURL != null) {
            return new ImageIcon(imgURL);
        } else {
            //TODO colocar no log
            System.err.println("Couldn't find file: " + path);
            return null;
        }
    }
}
